diff --git a/board/NUCLEO_STM32L496ZG/BSP/Hardware/Src/lcd_2inch4.c b/board/NUCLEO_STM32L496ZG/BSP/Hardware/Src/lcd_2inch4.c
index 03d8a1a8..25a04d8e 100644
--- a/board/NUCLEO_STM32L496ZG/BSP/Hardware/Src/lcd_2inch4.c
+++ b/board/NUCLEO_STM32L496ZG/BSP/Hardware/Src/lcd_2inch4.c
@@ -1,3 +1,32 @@
+/*****************************************************************************
+* | File      	:   LCD_2IN4_Driver.c
+* | Author      :   Waveshare team
+* | Function    :   LCD driver
+* | Info        :
+*----------------
+* |	This version:   V1.0
+* | Date        :   2020-07-29
+* | Info        :   
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+******************************************************************************/
 #include "lcd_2inch4.h"
 #include <string.h>
 /*******************************************************************************
@@ -50,7 +79,7 @@ void LCD_2IN4_Init(void)
 {
 	LCD_2IN4_Reset();
 
-	LCD_2IN4_SetBackLight(500);//´ò¿ª±³¹â
+	LCD_2IN4_SetBackLight(500);//´ò¿ª±³¹â
   HAL_Delay(100);
 	
 	//************* Start Initial Sequence **********//